<template>
<div>
  <el-breadcrumb separator-class="el-icon-arrow-right" style="font-size: 20px">
    <el-breadcrumb-item :to="{ path: '/' }">后台管理</el-breadcrumb-item>
    <el-breadcrumb-item>新增SPU</el-breadcrumb-item>
    <el-breadcrumb-item>第一步:选择类别</el-breadcrumb-item>
  </el-breadcrumb>
  <el-divider></el-divider>
  <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
    <el-form-item label="商品类别"  prop="categoryId">
      <el-input v-model="ruleForm.categoryId"placeholder="请输入商品类别id" ></el-input>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="submitForm('ruleForm')">下一步</el-button>
      <el-button @click="resetForm('ruleForm')">重置</el-button>
    </el-form-item>
  </el-form>
</div>
</template>

<script>
export default {
  data() {
    return {
      ruleForm: {
        categoryId:"",
        categoryName:""
      },
      rules: {
        categoryId: [
          { required: true, message: '请输入商品类别', trigger: 'blur' },
        ]
      }
    };
  },
  methods: {
    loadLocalRuleForm(){
      let loadRuleFormString = localStorage.getItem('ruleForm');
      if (loadRuleFormString){
        let localRuleForm = JSON.parse(loadRuleFormString);
        this.ruleForm.categoryId=localRuleForm.categoryId;
      }
    },
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          let url = 'http://localhost:9080/category/'+this.ruleForm.categoryId+'/select';
          console.log('url ='+url);
          this.axios
              .create({'headers':{'Authorization':localStorage.getItem('jwt')}})
              .get(url).then((response)=>{
                let responseBody = response.data;
                if (responseBody.state == 10000){
                  if (responseBody.data.isParent == 1){
                    this.$message.error('错误,选择的类必须不包含子类');
                  }else {
                    this.ruleForm.categoryName=responseBody.data.name;
                    let ruleFormString = JSON.stringify(this.ruleForm);
                    localStorage.setItem('ruleForm',ruleFormString);

                    this.$router.push('spu-add-new2');
                  }
                }else {
                  this.$message.error(responseBody.message);
                }
          })
        } else {
          console.log('error submit!!');
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    }
  },
  mounted() {
    this.loadLocalRuleForm();
  }
}
</script>
